* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    width: 100vw;
    height: 100vh;
    display: flex;
    justify-content: center;
    align-items: center;

}

canvas {
    background-color: rgb(15, 15, 15);
    border: 1.5px solid #fff;
    border-radius: 16px;
    box-shadow: #000 0 0 12px;
}

dialog {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    padding: 20px 32px;
    border-radius: 8px;
    background-color: #000;
    color: #fff;

    box-shadow: #fff 0 0 8px;
    outline: none;

    text-align: center;
}

dialog p.title {
    font: 24px Courier;
}

dialog p.message {
    font: 18px Courier;
    padding-top: 8px;
}